#ifndef __DELAY_H
#define __DELAY_H 			   
 
 #ifdef __cplusplus
extern "C" {
#endif

#include <sys.h>	 
#include "stm32f4xx_hal_cortex.h"
#include "stm32f4xx_ll_bus.h"
#include "stm32f4xx_ll_system.h"
#include "stm32f4xx_ll_tim.h"

void delay_ms(unsigned int nms);
void delay_us(unsigned int nus);

#ifdef __cplusplus
}
#endif

#endif